Checkerboard Faceted Blue Topaz Stud Earrings in 14k Yellow Gold. These radiant stud earrings feature 4.32 carats of blue topaz finished in 14 karat yellow gold. The center stones have a deep, Swiss blue hue. With unique checkerboard-shaped facets, these brilliant earrings are securely set in four pronged baskets, finished with classic stud backings in 14K yellow gold.